Leung MW, Bazelier MT, Souverein PC, Uitdehaag BM, Klungel OH, Leufkens HG, Pajouheshnia R. Mapping the risk of infections in patients with multiple sclerosis: a multi-database study in the United Kingdom clinical practice research datalink GOLD and aurum. Mult Scler. 2022 Oct;28(11):1808-18. doi: 10.1177/13524585221094218.
Conover MM, Rothman KJ, Sturmer T, Ellis AR, Poole C, Jonsson Funk M. Propensity score trimming mitigates bias due to covariate measurement error in inverse probability of treatment weighted analyses: a plasmode simulation. Stat Med. 2021 Apr;40(9):2101-12. doi: 10.1002/sim.8887
Webster-Clark M, Sturmer T, Wang T, Man K, Marinac‐Dabic D, Rothman KJ, Ellis AR, Gokhale M, Lunt M, Girman C, Glynn RJ. Using propensity scores to estimate effects of treatment initiation decisions: state of the science. Stat Med. 2021 Mar 30;40(7):1718-35. doi: 10.1002/sim.8866
Meads DM, Doward LC, McKenna SP, Fisk J, Twiss J, Eckert B. The development and validation of the Unidimensional Fatigue Impact Scale (U-FIS). Mult Scler. 2009 Oct 1;15(10):1228-38. doi: 10.1177/1352458509106714
Miret M, Perez-Gutthann S, Gutierrez LP, Viglietta V, Musch B, Greenberg S. Evaluation of the long-term safety of Cladribine tablets: design of a prospective 8-year safety registry. Poster presented at the European Committee for Treatment and Research of Multiple Sclerosis (ECTRIMS); 2009. Dusseldorf, Germany. [abstract] Mult Scler. 2009 Sep 8; 15(Issue Suppl_9):S239. doi: 10.1177/1352458509106963
Doward LC, McKenna SP, Meads DM, Twiss J, Eckert BJ. The development of Patient Reported Outcome Indices for Multiple Sclerosis (PRIMUS). Mult Scler. 2009 Sep 1;15(9):1092-102.
Doward LC, McKenna SP, Meads DM, Twiss J, Hagell P, Oprandi N. Psychometric and scaling properties of the patient reported outcome indices for multiple sclerosis (PRIMUS). Mult Scler. 2007 Jun;13(Suppl 2):S219.
Doward LC, Meads DM, Fisk JD, McKenna SP, Eckert BJ. Derivation of a unidimensional scale from the fatigue impact scale. Mult Scler. 2006 Sep;12(Suppl 1):S1-S228.
Garcia R, Benet M, Arnau C, Cobo E. Efficiency of the cross-over design: an empirical estimation. Stat Med. 2004 Dec 30;23(24):3773-80. doi: 10.1002/sim.2072.